Guide

1. On Xero's main dashboard, head over to the top menu bar and click 'Business'.

2. Choose 'Invoices' from the list of options.

3. After that, find and open the credit note that has been reconciled with the invoice payment you wish to refund.

4. Scroll down to the Make a Cash Refund section, then fill out the input fields with the required details, particularly the Amount, Date, Bank Account, and Reference.

5. Once done, click 'Add Refund' to proceed.

6. After completing these steps, the paid Xero invoice will be refunded instantly.